Innovations 038 Efficient Concurrency and Ultimate Performance 039 A-Tune 039 BiSheng JDK 041 etMem 044 EulerFS 046 Gazelle 047 GCC for openEuler 049 HSAK 053 iSulad 054 Kmesh 057 LLVM / DSoftBus Server DPUDirect HPCRunner Efficient concurrency and ultimate performance A-Tune etMem Gazelle Multi-kernel architecture Diversified computing power Cloud-native/Edge KubeOS Rubik and Ultimate Performance 044 openEuler OS Technical White Paper Innovation Projects etMem Storage SIG etMem uses DRAM, low-speed memory (such as storage class memory), or hard drives to form tiered